研究開発におけるマルチフィジックスシミュレーションの具体例
さまざまな業界のエンジニア, 研究者, 科学者がマルチフィジックスシミュレーションを使用して革新的な製品の設計とプロセスを研究および開発しています. COMSOL カンファレンスで発表したテクニカルペーパーやプレゼンテーションからインスピレーションを得てください. 以下の選択項目を参照するか, クイック検索ツールを使用して特定のプレゼンテーションを検索するか, アプリケーション領域でフィルタリングします.
COMSOL Conference 2024 論文集を見る
The use of piezoelectric materials in hearing aid loudspeakers, also called receivers, presents technical and economic advantages such as reducing the number of parts of the system and its manufacturing cost. However, the performance of such systems is still not competitive when compared ... 詳細を見る
Logging-while-drilling (LWD) acoustic transducers provide real-time data about the geologic and geophysical properties of the borehole that ensure safety margins and optimize completion. It is important to understand what causes the different resonance modes in the transmitter and obtain ... 詳細を見る
One can hardly get the exact analytic solution of a full time-dependent convection-diffusion equation, for describing the dynamics of a non-premixed flamelet. The analytic solution of the linearized form with such a model was studied by MATLAB®. And also, a numerical computation was made ... 詳細を見る
Fluid Structure Interaction (FSI) plays an important role in the seismic analysis and the design of Hydraulic structures. In this study, the acoustic finite element model is analyzed with impounded water considering appropriate boundary conditions between the water & the upstream ... 詳細を見る
Today, MEMS based accelerometers are used in a variety of applications. To name a few, they are used in safety systems in automobiles, it has added a new dimension to miniaturization of devices, it has replaced traditional piezoelectric accelerometers, which were big and difficult to ... 詳細を見る
Introduction: Usage of Composite Materials properties is rapidly gaining acceptance in various industries such as aircraft manufacturing, automotive, healthcare, etc. Its main strengths are light weight material, great strength and durability, strength related to weight, corrosion ... 詳細を見る
扬声器的失真问题一直受电声业界的关注，尤其是谐波失真，它是影响扬声器重放声音音质的主要因素之一。 本文提出了一种基于 COMSOL Multiphysics® 软件预测扬声器谐波失真的仿真分析方法。该方法需建立包括磁场、振动系统和声场等多个物理场的扬声器的全模型，给扬声器加载一单频电压信号，用瞬态分析的方法可求解得到该频率激励下的扬声器的多个重要物理量随时间的变化函数，如流经音圈的电流I(t)、音圈的受力F(t)、振动系统表面上任意点的位移x(t)，以及声场中任意点的声压P(t)等。给扬声器加载一个时间长度为0.1s的单频电压信号，仿真分析所得的防尘帽顶点的位移曲线 ... 詳細を見る
Throughout this work, we conduct simulations using the finite-element commercial software COMSOL MULTIPHYSICS. Valley interface states, resulting in acoustic valley Hall topological insulators, have recently become a hot topic in the study of acoustic systems. On the basis of structural ... 詳細を見る
本文介绍COMSOL Multiphysics在水下物体散射声场建模仿真中的应用，具体工作包括：（1）应用压力声学(pressure acoustics，PA)、声学边界元（pressure acoustics boundary element，PABE）、高频渐近散射（pressure acoustics asymptotic scattering，PAAS）三种方法计算刚性球的散射形态函数和目标强度并同Rayleigh理论解作对比，初步探讨了在做声散射建模仿真时这三种方法的适用范围；（2 ... 詳細を見る
触觉反馈马达作为近年来人机交互领域的重要创新，其性能优化高度依赖于多物理场耦合仿真技术。基于COMSOL Multiphysics平台，介绍了该类马达的建模与分析流程：首先通过磁场模块精确计算电磁驱动力，随后在固体力学物理场中开展模态分析以获取马达固有频率（F0）；最终结合瞬态动力学求解器，实现了对马达加速度响应、瞬态振动特性及启停时间等关键动态参数的定量评估。该仿真框架为触觉执行器的优化设计提供了完整的虚拟原型验证方案。 詳細を見る
